The new $597 WavWatch 2.0 is on my wrist. If I put it up to my ear, I can hear the high frequency sounds it's emitting. The low hums can be heard a foot away.

Meta's first pair of smart glasses with a display made me ask a lot of questions, and I'm not sure I like the potential ...

You might be surprised to find that these smart gadgets, in spite of their premium attributes, are actually quite affordable ...